package com.byzk.p2p.admin.base.util;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * SHA加密算法
 * @author suker.zhou
 *
 */
public class SHA {

	/**
	 * 
	 * @param decript
	 * @return
	 */
	public static String SHA1(String decript) {
        try {
            MessageDigest digest = java.security.MessageDigest
                    .getInstance("SHA-1");
            digest.update(decript.getBytes());
            byte messageDigest[] = digest.digest();
            // Create Hex String
            StringBuffer hexString = new StringBuffer();
            // 字节数组转换为 十六进制 数
            for (int i = 0; i < messageDigest.length; i++) {
                String shaHex = Integer.toHexString(messageDigest[i] & 0xFF);
                if (shaHex.length() < 2) {
                    hexString.append(0);
                }
                hexString.append(shaHex);
            }
            return hexString.toString();
 
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return "";
    }
	
	/**
	 * 支付密码和交易密码算法为:md5(md5(sha1(PASS+"pyjr.pwd.21211532.key")))
	 * @param password 登录密码/交易密码
	 * @return 
	 */
	public static String encryptPassword(String password){
		return MD5.GetMD5Code(password);
	}
	
	public static void main(String[] args) {
		String str="123456";
		System.out.println(MD5.GetMD5Code(str));
	}
}
